China W1 Tungsten Welding Electrodes Wce20, Find details about China Wc20 Tungsten Electrode, Cerium Tungsten Electrodes from W1 Tungsten Welding Electrodes Wce20
| Trademark | Added impurity | Impurity quantity | Other impurities | Tungsten | Electric discharged power | color sign |
| WT20 | ThO2 | 1.7-2.2 | < 0.20 | The rest | 2.0-3.0 | Red |
| WP | --- | --- | < 0.20 | The rest | 4.5 | Green |
| WL10 | La2O3 | 0.8-1.2 | < 0.20 | The rest | 2.6-2.7 | Black |
| WL15 | La2O3 | 1.3-1.7 | < 0.20 | The rest | 2.8-3.0 | Goldyellow |
| WL20 | La2O3 | 1.8-2.2 | < 0.20 | The rest | 2.8-3.2 | Skyblue |
| WC20 | CeO2 | 1.80-2.20 | < 0.20 | The rest | 2.7-2.8 | Gray |
| WY20 | YO2 | 1.8-2.2 | < 0.20 | The rest | 2.0-3.9 | Blue |
| WZ8 | ZrO2 | 0.7-0.9 | < 0.20 | The rest | 2.5-3.0 | White |